Style-ARThouse Fossilized Agatized Ammonite Genuine Fossil Necklace, 18 Inches Adjustable You might recognize this fossil as an ancient ammonite; it is a true agatized fossil that was hand-picked at the Smithsonian Museum; ammonites were the precursors of today's nautilus mollusc, which is like a living fossil We have hung the ammonite pendant from a dark brass chain that has a lobster clasp and three inch extension chain Hangs a little below the collarbone; would be fine for either a man or woman Comes in a nice white gift box with ARThouse logo; although natural variations in size and color occur, all ammonites are of excellent quality; they range in diameter from 1.2 - 1.4 inches tall Made at Style-ARThouse in Maryland; includes title card listing materials and care instructions You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!